GTL (Gas to Liquids)

Summary

Gas to Liquid (GTL)*1) is the process technology which transforms natural gas or other feedstock gas mainly into equivalent products of naphtha, middle distillate and lube base wax , through catalyzed chemical reactions.
GTL is expected to be utilized as transportation fuel, which is easily handled as it is liquid phase under the ambient temperature and atmospheric pressure, and as valuable feedstock for chemical industries.

Features

GTL as clean fuel and feedstock of ethylene

GTL is made from natural gas that contains only minimal impurities to begin with, and the impurities are further removed in the manufacturing process. As such, the fuel product does not contain sulfur or aromatics and does not generate SOx or particulate matter during combustion. The uses of the middle distillate, i.e. GTL diesel and GTL kerosene, are expected to expand as a clean energy with a high cetane number and excellent combustion characteristics. On the other hand, the naphtha distillate is also suited as a feedstock for ethylene, as it contains a large paraffin component. Another advantage is that the existing distribution networks can be utilized, because the characteristics of these products are similar to those of the conventional petroleum products.

※1)In the broad sense of the term, methanol and DME are also a part of GTL. Here, however, the term refers to the process for producing alternatives to petroleum products, through FT synthesis (in which complex hydrocarbons are synthesized through the hydrogenation of carbon monoxide).

The GTL process comprises mainly the Syngas Generation --> Fisher-Tropsch (FT) Synthesis --> Hydrocracking

TOYO’s GTL projects

FPSO (provided by MODEC)

Together with Hyundai Engineering & Construction Co., Ltd., TOYO has received a contract of Liquid Processing Unit, which is one of the major components of Pearl GTL Project, with a capacity of 140,000 barrels per day for Qatar Shell GTL Limited in Qatar. We are fully responsible for the EPC work from basic engineering onward.

On the other hand, GTL has attracted attention as a means of developing small and midsize gas fields, which have yet to be commercialized, and to effectively monetize associated natural gas, which are usually flared or re-injected into the reservoir. This is because the development of LNG or pipelines has principally required large gas fields. TOYO is working to develop and commercialize a new GTL technology, jointly with MODEC, Inc. and Velocys Inc. of the United States. This new GTL process, that utilizes microchannel reactors, will be provided as “new tools” for developing offshore stranded gas fields and for monetization of associated gas.

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